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Communication: FOURTH PERIOD

A randomized 25 question test from a pool of 761 questions, good luck!
RS-232 to USB is the best example of which of the following converters?
Modbus protocol can implement data encapsulation over IP based networks. Which of the statements below is an advantage of using encapsulation?
Sometimes a controller module cannot execute the logic that is required. Which of the subsystems below would be able to execute this logic?
There are several fields in an Ethernet message frame structure. Which of the answers represent the total amount of fields in an Ethernet message frame?
SCADA systems have been integrated with various industrial processes. Which of the answers below is best defined as extensively scattered process that requires an immense communication framework?
Ethernet has two common messaging types that are controller-to-controller defined in the application layer. Which of those messaging types can be described as only using multicast and peer-to-peer communication?
IPv4 has several distinct classifications. Which of the answers below would best describe how those classifications are determined using the address?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of a holding register to the slave device
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that allows for a data connection to other networks, or RTUs and PLCs?
CSMA/CD is used as an access method that uses constructive interference detection for any data collisions. Which of the OSI layers does this detection occur on?
Which of the antenna below can be best described as "omnidirectional"?
The various DCS networks are vital to any plant or process operating smoothly. Which of the networks below must faster and more reliable than any of the others?
Which of the messaging types below is best described as independent communication with the scanner module initiated by the properly configured field device?
The TCP/IP protocol was designed for simplicity and speed. Which of the OSI layers below does the TCP/IP protocol interact with?
HMI networks are needed to expand or contract as required over their lifetime of use. Which of the networking types below will solve scalability, but is still limited because of multiple DA servers and duplication of information requiring an overuse of bandwidth?
The data link layer of the OSI manages access to be able to transmit data. Which of the answers below represents a all typical access method?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below best known for use with USB and bluetooth devices?
The heart of a DCS is considered the PLC and it's five main programming languages. Which of the programming languages would be described as mimicking the components of the hardware of an analog control in self-contained blocks of code?
Alarm management is based upon the process conditions model. Which of the conditions in that model could be described as the acceptable operating conditions?
With any GUI, there are opportunities to use gathered data visually. Which of the methods below would be best described as one that would allow an operator to anticipate the tendencies of a process by the creation of a short term measurement values plot?
Which of the network components below combines two or more smaller networks working within the ISO physical and data layers?
In the process conditions model, there are transition points between the stages of operating conditions. Which of the answers below is the transition point between the normal to abnormal conditions?
In the process conditions model, there are transition points between the stages of operating conditions. Which of the answers below is the transition point between the abnormal to shutdown conditions?
SCADA control systems are similar to other control system, but the components for a SCADA system vary slightly. Which of the components below would be required to have a low bandwidth and high error detection protocol?
There are several data access methods used to transmit data. Which of the answers below can be described as a method that allows sequential communication on a network with multiple devices?